Hi, guys.Any help with this problem will be greatly appreciated. Brother-in-law's 1992 LHO v6, given to him by his brother, but cautioned that there was water in the oil. Before I could verify this, he bought a used engine, hooked everything up and 3 batteries later he calls me up. For some reason there are 2 marks on the balancer (one for v6 and the other for v8, maybe?) So I timed it to the second mark in clockwise rotation, disconnected the 4-wire connector from the distributor and manually primed the TBI. It started right up. Unfortunately, with the ECM connected the ICM wouldn't fire. Tried working used ICM, still no fire. Removed ECM and it smelled burnt, he bought a used one still no spark. It was getting late, the lasted thing I did was check for shorts in the 4-wire connector, none found, didn't have an electrical schematic so I couldn't check for continuity. Tomorrow I'll check that if OK then I'll supply voltage to the distributor reference signal because the injectors are not spraying and I don't hear the pump priming. For those who are going to ask - no SES light, but I haven't checked for codes. Any ideas? Thanks, in advance.

Okay to rule out there is only a v6 balancer and a v8 balancer. the 2 marks might indicate TDC after and before i believe not sure on the v6 though. Now does it turn at all like turn over but not start?
And if so the fuel pump might be bad. now you saying 3 batteries later did he cook the other 2? and if he did then yea ur ecm would be burned if he crossed the terminals from pos to neg and neg to pos. my friend did that by mistake.

Getting fuel into the TB isn't as big a problem as getting spark, I had to get it sparking first which, I did.
Now I need to get it to spark with the ECM connected once it does I believe the fuel pump will function, but fuel itsn't a priority right now.

Ok, finally got it running.
I was initial impressed with my cabinet maker BILL's engine swap(Brother-In-Law.)

While checking continuity at the ECM connectors I noticed the instrument panel had a couple of status lights on. "Bill, I though I asked you to turn the ignition off," he said "It is off." "Well then," I said "you must have connected some in the wrong place."
He ran on about how it was impossible since most connectors are different and the ones that are the same aren't close to each other. I couldn't argue with that, but went over the entire harness, he cracked a big smile realizing I hadn't found anything out of place.
I told him to wipe that smile of his face and to show me where he connected the ground wires.
Seeing that he didn't comprehend what I was asking, i said there is at least 2 black wires on a very large tongue ring which should be grounded to the engine. OH! those are connected to the alternator! (to the ALt. battery terminal!)
He was lucky nothing burned up. The original ECM was still good so now he has some spare parts, who doesn't need a few of those?

But, I still have one problem with setting the timing, the Clinton Manual shows a Set Timing Connector, but as I have been all other the harness and didn't find it, I'm momentarily at a stopping point because he when he replace the power steering pump pulley he left it about a 1/4" out causing the tired but good serpentine belt to jump off and tear up and so the saga continues.
The swap engine came with a hacked up harness, but in deed has a Set Timing Connector.

Since it definitely doesn't have one how is the timing set?
May have to start another post since this one isn't getting much attention.